org.archive.wayback.resourcestore.locationdb
Class BDBResourceFileLocationDB

java.lang.Object
  org.archive.wayback.resourcestore.locationdb.BDBResourceFileLocationDB

All Implemented Interfaces:

ResourceFileLocationDB

public class BDBResourceFileLocationDB
extends Object
implements ResourceFileLocationDB

Version:

$Date: 2010-09-29 05:28:38 +0700 (Wed, 29 Sep 2010) $, $Revision: 3262 $

Author:

brad

Constructor Summary

BDBResourceFileLocationDB()

Method Summary

void	addNameUrl(String name, String url) add an url location for a name, unless it already exists
String	getBdbName()
String	getBdbPath()
long	getCurrentMark()
String	getLogPath()
CloseableIterator<String>	getNamesBetweenMarks(long start, long end)
void	init()
static void	main(String[] args)
String[]	nameToUrls(String name) return an array of String URLs for all known locations of name in the DB.
void	removeNameUrl(String name, String url) remove a single url location for an name, if it exists
void	setBdbName(String bdbName)
void	setBdbPath(String bdbPath)
void	setLogPath(String logPath)
void	shutdown()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BDBResourceFileLocationDB

public BDBResourceFileLocationDB()

Method Detail

shutdown

public void shutdown()
              throws IOException

Specified by:

shutdown in interface ResourceFileLocationDB

Throws:

IOException

init

public void init()
          throws IOException

Throws:

IOException

nameToUrls

public String[] nameToUrls(String name)
                    throws IOException

return an array of String URLs for all known locations of name in the DB.

Specified by:

nameToUrls in interface ResourceFileLocationDB

Parameters:

name -

Returns:

String[] of URLs to name

Throws:

IOException

addNameUrl

public void addNameUrl(String name,
                       String url)
                throws IOException

add an url location for a name, unless it already exists

Specified by:

addNameUrl in interface ResourceFileLocationDB

Parameters:

name -

url -

Throws:

IOException

removeNameUrl

public void removeNameUrl(String name,
                          String url)
                   throws IOException

remove a single url location for an name, if it exists

Specified by:

removeNameUrl in interface ResourceFileLocationDB

Parameters:

name -

url -

Throws:

IOException

getNamesBetweenMarks

public CloseableIterator<String> getNamesBetweenMarks(long start,
                                                      long end)
                                               throws IOException

Specified by:

getNamesBetweenMarks in interface ResourceFileLocationDB

Parameters:

start -

end -

Returns:

Iterator for traversing arcs between start and end.

Throws:

IOException

getCurrentMark

public long getCurrentMark()

Specified by:

getCurrentMark in interface ResourceFileLocationDB

Returns:

current "Mark" for the log. Currently, it's just the length of the log file.

getLogPath

public String getLogPath()

Returns:

the logPath

setLogPath

public void setLogPath(String logPath)

Parameters:

logPath - the logPath to set

getBdbPath

public String getBdbPath()

Returns:

the bdbPath

setBdbPath

public void setBdbPath(String bdbPath)

Parameters:

bdbPath - the bdbPath to set

getBdbName

public String getBdbName()

Returns:

the bdbName

setBdbName

public void setBdbName(String bdbName)

Parameters:

bdbName - the bdbName to set

main

public static void main(String[] args)

Parameters:

args -